(2023). Narodnaja ėnciklopedija "Ermak". TjumGU-Press.
Chicago Style (17th ed.) CitationNarodnaja ėnciklopedija "Ermak". Tjumenʹ: TjumGU-Press, 2023.
MLA (9th ed.) CitationNarodnaja ėnciklopedija "Ermak". TjumGU-Press, 2023.
Warning: These citations may not always be 100% accurate.